package com.io.netty.example.time;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;

/**
 *Created by  c.u.a
 *2018/1/9
 */
public class TimeClient {
    static final boolean SSL = System.getProperty("ssl") != null;
    static final String HOST = System.getProperty("host", "127.0.0.1");
    static final int PORT = Integer.parseInt(System.getProperty("port", "8006"));

    public static void main(String[] args) throws Exception{
        final SslContext sslCtx;

        if(SSL){
            sslCtx = SslContextBuilder.forClient()
                    .trustManager(InsecureTrustManagerFactory.INSTANCE).build();
        }else {
            sslCtx = null;
        }

        EventLoopGroup group = new NioEventLoopGroup();
        try{
            Bootstrap b = new Bootstrap();
            b.group(group)
                    .channel(NioSocketChannel.class)
                    .option(ChannelOption.SO_KEEPALIVE, true)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        protected void initChannel(SocketChannel ch) throws Exception {
                            ChannelPipeline p = ch.pipeline();
                            if(sslCtx!=null){
                                p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
                            }
                            p.addLast(new TimeClientHandler());
                        }
                    });

            ChannelFuture f = b.connect(HOST,PORT).sync();
            f.channel().closeFuture().sync();
        }finally {
            group.shutdownGracefully();
        }

    }
}
